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White rectangular desktop NAS enclosure with five front drive bays and matte finish

Synology Inc.

Synology Inc. DS1525+ 5-Bay NAS 8GB DDR4

SKU CH-TT54-R11C1 MPN DS1525+

Five-bay desktop NAS with 8 GB DDR4 ECC memory, dual 2.5GbE ports and M.2 NVMe slots, delivering up to 1,181/1,180 MB/s sequential throughput

  • TypeDesktop NAS
  • Port USB2 x USB 3.2 Gen 1
  • Port eSATA2 x eSATA
  • HDD Interface5 x SATA (5 x Bay)
  • Form Factor5-Bay;8GB DDR4
  • Installed Memory8 GB DDR4 ECC SODIMM

Model DS1525+

  • Up to 1,181/1,180 MB/s sequential throughput for fast data transfers
  • Two built-in 2.5GbE ports enable high-speed networking out of the box
  • 8 GB DDR4 ECC SODIMM installed with an extra slot for memory expansion
  • Five drive bays plus two M.2 2280 slots support mixed SATA and NVMe storage
  • Scales up to 15 drives with expansion units for growing capacity

5-bay desktop NAS with 8 GB DDR4 ECC

The Synology DS1525+ is a diskless desktop NAS with five drive bays and 8 GB of DDR4 ECC SODIMM installed. It provides two built-in 2.5GbE ports and supports sequential read and write throughput up to 1,181/1,180 MB/s. The unit includes two USB 3.2 Gen 1 ports and two eSATA ports for external expansion.

Suits small-business and home-lab users needing

This NAS suits administrators who want a compact, multi-bay platform with ECC memory and 2.5GbE networking out of the box. It also fits media enthusiasts planning to add M.2 NVMe caching later. Buyers who require 10GbE ports already integrated or who need more than five internal bays without expansion units should consider other models.

8 GB DDR4 ECC SODIMM installed in two slots

The system ships with 8 GB of DDR4 ECC SODIMM across two slots, allowing memory upgrades within the DDR4 platform. This ECC configuration helps protect data integrity during continuous operation. Users needing larger memory capacities for virtualization or heavy databases must purchase compatible DDR4 ECC modules separately.

商品特色

  • Up to 1,181/1,180 MB/s sequential throughput for fast data transfers
  • Two built-in 2.5GbE ports enable high-speed networking out of the box
  • 8 GB DDR4 ECC SODIMM installed with an extra slot for memory expansion
  • Five drive bays plus two M.2 2280 slots support mixed SATA and NVMe storage
  • Scales up to 15 drives with expansion units for growing capacity

商品規格

BrandSynology
SeriesDiskStation
ModelDS1525+
TypeDesktop NAS
Port USB2 x USB 3.2 Gen 1
Port eSATA2 x eSATA
HDD Interface5 x SATA (5 x Bay)
Form Factor5-Bay;8GB DDR4
Installed Memory8 GB DDR4 ECC SODIMM
Memory Slot2 x DDR4 SODIMM
Included HDD CapacityDiskless System
RAIDSynology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID6, RAID 10
Drive Compatibility5 x 3.5" or 2.5" SATA HDD/SSD (drives not included)
2 x M.2 2280 NVMe SSD (drives not included)
Supported ProtocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS
Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP,
CalDAV
Power100-240 VAC 50/60Hz
Power Consumption52.06 W (Access)
16.71 W (HDD Hibernation)
TemperatureOperating Temperature : 0°C to 40°C (32°F to 104°F)
Storage Temperature : -20°C to 60°C (-5°F to 140°F)
Humidity5% to 95% RH
FeaturesDependable Performance
Up to 1,181/1,180 MB/s sequential
read/write throughput4 supports stable
data transfers
Fast Networking
Built-in 2.5GbE ports for fast connectivity
out of the box with support for 10GbE
Versatile Network Storage
Leverage built-in file and photo
management, data protection,
virtualization, and surveillance solutions
Capacity Expansion
Add 10 extra drive bays for up to 300
TB5 of raw storage with two DX525
expansion unit1
Extendable Product Support
Backed by Synology's 3-year limited
hardware warranty, extendable to 5 years
in select markets6,7
UsageBackup & stream media through personal cloud
Dimensions11.61'' x 10.43'' x 10.43''
Weight9.39 lbs.
Package ContentsMain Unit X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
出貨重量4.67 kg
包裝尺寸305 × 292 × 286 mm

其他版本

同系列還有 5 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

How much power does the DS1525+ draw when its drives are active versus hibernating?

The unit consumes 52.06 W during access and drops to 16.71 W when the drives are hibernating.

Which drives must I supply to populate the five bays and the two M.2 slots?

You need five 3.5" or 2.5" SATA HDDs or SSDs for the main bays and up to two M.2 2280 NVMe SSDs for the cache slots; none are included.

Can I keep using my existing 1 GbE switch with the built-in 2.5GbE ports?

Yes, the two 2.5GbE ports auto-negotiate down to 1 GbE so your current switch works without changes.

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